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diff --git a/gcc/testsuite/objc/execute/formal_protocol-4.m b/gcc/testsuite/objc/execute/formal_protocol-4.m
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+/* Contributed by Nicola Pero - Fri Mar  9 21:35:47 CET 2001 */
+#include <objc/objc.h>
+#include <objc/Object.h>
+
+/* Test defining a protocol, a class adopting it in a category */
+
+@protocol Evaluating
+- (int) importance;
+@end
+
+@interface Feature : Object
+@end
+
+@implementation Feature
+@end
+
+@interface Feature (EvaluatingProtocol) <Evaluating>
+@end
+
+@implementation Feature (EvaluatingProtocol)
+- (int) importance
+{
+  return 1000;
+}
+@end
+
+int main (void)
+{
+  id <Evaluating> object;
+
+  object = [Feature new];
+
+  if ([object importance] != 1000)
+    {
+      abort ();
+    }
+
+  return 0;
+}
+